Is the word “café” still English though French-origined, if so, English alphabet has 27 letters including é?
Accented letters are not considered to be separate letters either in English or French. The combination é is the letter e with the diacritic ´, not a different letter from é. In hard-type compositing, of course, e and é are different slugs. Also the fi and fl ligatures were each placed on a single slug but still considered to be each two letters: f + i and f + l. In some languages common letter-diacritric combinations in that language are considered to be separate letters and are so taught in school. But in both English and French schools, 26 letters are taught. Diacritics are separate elements, not letters, and letter+diacritic combinations are not separate letters. In French, the fact that “k” and “w” are not used in writing doesn’t matter. They were part of the earlier Latin alphabet, and are used by many of the countries surrounding France, so they are still included in the alphabet. In French spelling, in typesetting, the symbol œ (capital Œ) is used, but it it not considered to be
